After installation, you are redirected to login page. For the very first admin login, a setup wizard appears which includes 4 steps as following:
In above step, you can change the default system configuration. If you don't want to change any thing, click on "Next" button or change your system configuration and then click on "Next" button. This will take you to next step as shown in image.
In above step, you need to configure the mail driver. Choose your mail driver and enter desired input to proceed. If you are not sure what is mail driver, choose "Log" in driver dropdown list, enter from name & from address and click on "Next" button.
In the last and final step, you need to create one academic session. It is very important to have an academic session else you won't be able to perform most of the actions in the application. Enter desired input, Make sure that you won't be able to change the academic session period, once you store the academic session. Click on the "Finish" button to exit from this setup wizard.